include $(TOPDIR)Rules.mak
LDSO_FULLNAME=ld-uClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
-SSPFLAGS=$(call check_gcc,-fno-stack-protector,)
+# reset to initial (disabling predefined CFLAGS)
+ASFLAGS=
+ifeq ($(UCLIBC_BUILD_NOEXECSTACK),y)
+ASFLAGS+=$(call check_as,--noexecstack)
+endif
+
+XXFLAGS=$(XWARNINGS) $(SSP_DISABLE_FLAGS)
+ifeq ($(DL_FINI_CRT_COMPAT),y)
+XXFLAGS+=-D_DL_FINI_CRT_COMPAT
+endif
-XXFLAGS=$(XWARNINGS) $(SSPFLAGS)
ifeq ($(DODEBUG),y)
# Not really much point in including debugging info, since gdb
# can't really debug ldso, since gdb requires help from ldso to
# debug things....
-XXFLAGS+=-Os #-g3
+XXFLAGS+=-Os -g3
else
XXFLAGS+=$(OPTIMIZATION)
endif
-fno-builtin -nostdinc -D_LIBC -I$(TOPDIR)ldso/include -I. -I$(TOPDIR)include
# BEWARE!!! At least mips* will die if -O0 is used!!!
-XXFLAGS :=$(XXFLAGS:-O0=-O1)
-
-XXFLAGS+=$(shell $(CC) -print-search-dirs | sed -ne "s/install: *\(.*\)/-I\1include/gp")
-LDFLAGS=$(CPU_LDFLAGS-y) -Bsymbolic -shared --warn-common --export-dynamic --sort-common \
+XXFLAGS:=$(XXFLAGS:-O0=-O1)
+XXFLAGS+=-isystem $(shell $(CC) -print-file-name=include)
+LDFLAGS=$(CPU_LDFLAGS-y) -e _start -z now -Bsymbolic -shared --warn-common --export-dynamic --sort-common \
-z combreloc --discard-locals --discard-all --no-undefined
+ifeq ($(UCLIBC_BUILD_RELRO),y)
+ LDFLAGS+=-z relro
+endif
CSRC= ldso.c
COBJS=$(patsubst %.c,%.o, $(CSRC))
#This stuff will not work with -fomit-frame-pointer
XXFLAGS := $(XXFLAGS:-fomit-frame-pointer=)
-all: lib
+all: $(LDSO_FULLNAME)
-lib:: $(OBJS) $(DLINK_OBJS)
- $(LD) $(LDFLAGS) -e _dl_boot -soname=$(UCLIBC_LDSO) \
- -o $(LDSO_FULLNAME) $(OBJS) $(LIBGCC);
+$(LDSO_FULLNAME): $(OBJS) $(DLINK_OBJS)
+ $(LD) $(LDFLAGS) -soname=$(UCLIBC_LDSO) \
+ -o $(LDSO_FULLNAME) $(OBJS) $(LIBGCC)
$(INSTALL) -d $(TOPDIR)lib
$(INSTALL) -m 755 $(LDSO_FULLNAME) $(TOPDIR)lib
$(LN) -sf $(LDSO_FULLNAME) $(TOPDIR)lib/$(UCLIBC_LDSO)
$(STRIPTOOL) -x -R .note -R .comment $*.o
$(AOBJS): %.o : %.S
- $(CC) $(XXFLAGS) -I../libdl -c $< -o $@
+ $(CC) $(XXFLAGS) $(ASFLAGS) -I../libdl -c $< -o $@
$(STRIPTOOL) -x -R .note -R .comment $*.o
-ldso.o: $(CSRC)
+ldso.o: $(CSRC) dl-elf.c dl-hash.c dl-startup.c dl-debug.c \
+ $(TARGET_ARCH)/*.h $(TARGET_ARCH)/*.c $(TOPDIR)ldso/include/*.h
clean:
$(RM) $(UCLIBC_LDSO)* $(OBJS) $(LDSO_FULLNAME)* core *.o *.a *.s *.i ldso.h *~